. >>> mitt romney and president obama face off in their first debate tomorrow night. two debate experts weigh in coming up. >>> let's dig deeper now, president owe became kra and mitt romney take the stage tomorrow night, how they look may speak volumes over what they actually say. we have an associate professor at harvard business school. she joins me now. you say when it comes to gestures, ones that convey power and warmth are really important to making effective politician, and you point to former president bill clinton as master of warmth. i want to show a video of him during a town hall with ross perot and george bush. >> you know people who lost their homes and lost their homes? >> uh-huh. >> he's walking toward this woman, toward this voter, away from the people on stage. focused on the voter, not on the other candidates, he's gentle, his body language is gentle. leaning toward her, even softened his voice. he's nodding, makes incredible eye contact. he signals to people when he is talking to them, are you the only person in the room. you are the only person. t